"To be" and its functions. "To have" and its functions

VII. Translate the following sentences:

1. 
   He will give you the book when you need it.
   
2. 
   If we put water into a tube, it will take the shape of the tube.
   
3. 
   I’ll solve this equation if you help me.
   
4. 
   Unless it is too late, we will go there.
   
5. 
   The circle will become an ellipse after you compress it.
   
6. 
   We shall use this substance in the experiment provided it has the necessary properties.
   
7. 
   As soon as you return from the lab, we’ll begin our work.
   
8. 
   I won’t be able to explain this phenomenon if I do not analyse all the data.
   
9. 
   Your experiment will not give good results until you change the speed of the reaction.
   
10. 
    My friend will translate the text if you give him your dictionary.
    
11. 
    I will do it if it is necessary.
    
12. 
    If he concentrates his attention on his studies, he will pass his exams successfully.
    

VIII. Translate the sentences paying attention to the form of the verb in the subordinate clause of time and condition:

1. Як тільки буде включений струм, машина почне працювати.

2. Конденсатор буде накопичувати енергію, якщо він не буде мати ушкоджень.
3. Струм буде проходити крізь ланцюг після того, як джерело струму буде підключено до ланцюга.


IX. Say the following sentences in the Past Simple (Active). Don’t forget to make the necessary changes:

Example: He usually has his breakfast at 8 o’clock (yesterday, at 9 o’clock)

Yesterday he had his breakfast at 9 o’clock.

1. 
   John often tells me about his holidays. (yesterday afternoon, his family)
   
2. 
   The postman usually comes at half past seven. (the day before yesterday, at six)
   
3. 
   We go to the seaside for a week every August. (last autumn, into the country)
   
4. 
   She always arrives at the office a few minutes before nine o’clock. (yesterday morning, at nine o’clock)
   
5. 
   They sometimes go to the theatre. (last month, to the circus)
   
6. 
   She often writes to her mother. (last week, two letters)
   
7. 
   He is always at home on Sunday. (last Sunday, at the library)
   
8. 
   Lessons begin at nine o’clock. (on Monday, at half past nine)